Dallas Cowboys linebacker Bruce Carter (54) defends at the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker Bruce Carter (54) defends at the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Miles Austin (19) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys wide receiver Miles Austin (19) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

Dallas Cowboys running back DeMarco Murray (29) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys running back DeMarco Murray (29) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

Dallas Cowboys linebacker Bruce Carter, left, pressures guard David Arkin (62) as running back DeMarco Murray (29) finds a hole in a running play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys linebacker Bruce Carter, left, pressures guard David Arkin (62) as running back DeMarco Murray (29) finds a hole in a running play during their NFL football minicamp on Thursday, June 13, 2013, ... more

Dallas Cowboys head coach Jason Garrett, left, and offensive coordinator Bill Callahan, right, talk as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys head coach Jason Garrett, left, and offensive coordinator Bill Callahan, right, talk as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, ... more

Dallas Cowboys wide receiver Cole Beasley (11) goes up to grab a pass as offensive quality control coach Keith O'Quinn defends as the team runs end zone plays during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys wide receiver Cole Beasley (11) goes up to grab a pass as offensive quality control coach Keith O'Quinn defends as the team runs end zone plays during their NFL football minicamp on Thursday, ... more

Dallas Cowboys running back DeMarco Murray (29) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys running back DeMarco Murray (29) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

Dallas Cowboys wide receiver Terrance Williams (83) and others watch as receivers coach Derek Dooley, left, instructs the group during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys wide receiver Terrance Williams (83) and others watch as receivers coach Derek Dooley, left, instructs the group during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. ... more

Dallas Cowboys wide receiver Eric Rogers, left, reaches out to grab a pass as offensive quality control coach Keith O'Quinn defends during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys wide receiver Eric Rogers, left, reaches out to grab a pass as offensive quality control coach Keith O'Quinn defends during their NFL football minicamp on Thursday, June 13, 2013, in Irving, ... more

Dallas Cowboys wide receiver Dez Bryant (88) carries the ball up field as receivers run drills during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant (88) carries the ball up field as receivers run drills during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys running back Lance Dunbar (25) carries the ball up field as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys running back Lance Dunbar (25) carries the ball up field as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys running back DeMarco Murray (29) sprints from the line of scrimmage as the team runs plays during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys running back DeMarco Murray (29) sprints from the line of scrimmage as the team runs plays during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

Dallas Cowboys quarterback Kyle Orton (18), wide receiver Miles Austin (19) and running back DeMarco Murray (29) lead the team across the practice field during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys quarterback Kyle Orton (18), wide receiver Miles Austin (19) and running back DeMarco Murray (29) lead the team across the practice field during their NFL football minicamp on Thursday, June 13, ... more

Dallas Cowboys fullback Lawrence Vickers (47) walks across the field as he watches the team during a workout during the NFL football minicamp Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys fullback Lawrence Vickers (47) walks across the field as he watches the team during a workout during the NFL football minicamp Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Anthony Armstrong (13) reaches up for a pass as the team runs end zone drills during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys wide receiver Anthony Armstrong (13) reaches up for a pass as the team runs end zone drills during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

Dallas Cowboys quarterback Kyle Orton (18) talks with quarterbacks coach Wade Wilson, right, as the team prepares to run a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys quarterback Kyle Orton (18) talks with quarterbacks coach Wade Wilson, right, as the team prepares to run a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. ... more

Dallas Cowboys wide receiver Miles Austin (19) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys wide receiver Miles Austin (19) sprints from the line of scrimmage as the team runs a play during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

An football engraved the commissioner Roger Goodell during the Dallas Cowboys NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

An football engraved the commissioner Roger Goodell during the Dallas Cowboys NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Photo: Tony Gutierrez, Associated Press

An football engraved the commissioner Roger Goodell during the... Photo-4790327.64639 - San Antonio Express-News

Image 48 of 64

Dallas Cowboys quarterback Tony Romo (9) motions to a teammate as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys quarterback Tony Romo (9) motions to a teammate as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony ... more

Dallas Cowboys head coach Jason Garrett, left, and offensive coordinator Bill Callahan, right, talk as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys head coach Jason Garrett, left, and offensive coordinator Bill Callahan, right, talk as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, ... more

Dallas Cowboys safety Barry Church (42) and safety Will Allen, right, try to strip the ball from wide receiver Dez Bryant as Bryant fights to get into the end zone during NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys safety Barry Church (42) and safety Will Allen, right, try to strip the ball from wide receiver Dez Bryant as Bryant fights to get into the end zone during NFL football minicamp on Thursday, June ... more

Dallas Cowboys head coach Jason Garrett, left, and offensive coordinator Bill Callahan, right, talk as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez) less

Dallas Cowboys head coach Jason Garrett, left, and offensive coordinator Bill Callahan, right, talk as the team stretches at the end of a workout during their NFL football minicamp on Thursday, June 13, 2013, ... more

Dallas Cowboys head coach Jason Garrett listens to a question at a news conference after a team workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys head coach Jason Garrett listens to a question at a news conference after a team workout during their NFL football minicamp on Thursday, June 13, 2013, in Irving, Texas. (AP Photo/Tony Gutierrez)